PROBLEMS - Hydrogeology: Objectives, Methods, Applications - page 332

Table 8 Hydrodynamic and geometric data for the Lower Durance aquifer.

Location Permeability width of

section

saturated
thickness

saturated
cross-
section

hydraulic
gradient

discharge

m·s -1 m m m 2 m·m -1 m 3 ·s -1

Jouques 1·10 -2 500 4 4,000 1/120 0.067

St Estève-
Janson

2·10 -2 600 1 600 1/200 0.060

Mallemort 5·10 -3 1,500 2 3,000 1/600 0.025

Sud Sénas 4·10 -3 3,500 2 7,000 1/500 0.056

Nord
Alpilles

3·10 -3 19,000 1 19,000 1/100 0.570

Ouest
Lubéron

1·10 -2 10,000 7 70,000 1/1500 0.467

Problem #7—Irrigation, piezometry, and water quality (after
Blavoux & Lacroix, 1991)

Figure 7 shows the seasonal piezometric variation of two boreholes in the
Lower Durance aquifer (Plan d'Orgon and Eyragues).

Figure 7 Hydrologic cycles and piezometry in boreholes in the Durance aquifer.